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REGN research notebook

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SEC submissions · retrieved 2026-10-22 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-10-13 · 0001796226-26-000002

  2. 8-K · Current report

    Report date 2026-10-01 · 0001104659-26-113895 · Items 1.01,2.02,8.01

  3. 8-K · Current report

    Report date 2026-09-24 · 0001104659-26-112340 · Items 5.02,9.01

  4. 4 · Ownership change

    Report date 2026-09-02 · 0001992352-26-000007

  5. 4 · Ownership change

    Report date 2026-09-02 · 0001663758-26-000002

  6. 4 · Ownership change

    Report date 2026-08-19 · 0001238303-26-000002

  7. 4 · Ownership change

    Report date 2026-08-18 · 0001697422-26-000002

  8. 4 · Ownership change

    Report date 2026-08-10 · 0001992352-26-000005

  9. 4 · Ownership change

    Report date 2026-08-10 · 0001681643-26-000006

  10. 10-Q · Quarterly report

    Report date 2026-06-30 · 0000872589-26-000025

  11. 8-K · Current report

    Report date 2026-07-30 · 0000872589-26-000023 · Items 2.02,9.01

  12. 4 · Ownership change

    Report date 2026-07-02 · 0001187443-26-000010

  13. 8-K · Current report

    Report date 2026-07-06 · 0001104659-26-080562 · Items 2.02

  14. 8-K · Current report

    Report date 2026-06-12 · 0001104659-26-075127 · Items 5.07

  15. 10-Q · Quarterly report

    Report date 2026-03-31 · 0000872589-26-000016

  16. 8-K · Current report

    Report date 2026-04-29 · 0000872589-26-000014 · Items 2.02,9.01

  17. DEF 14A · Proxy statement

    Report date 2026-06-12 · 0001308179-26-000340

  18. 8-K · Current report

    Report date 2026-04-08 · 0001104659-26-040661 · Items 2.02

  19. 10-K · Annual report

    Report date 2025-12-31 · 0000872589-26-000008

  20. 8-K · Current report

    Report date 2026-01-30 · 0000872589-26-000004 · Items 2.02,9.01

  21. 8-K · Current report

    Report date 2026-01-12 · 0001104659-26-002691 · Items 2.02,7.01,9.01

  22. 10-Q · Quarterly report

    Report date 2025-09-30 · 0000872589-25-000028

  23. 8-K · Current report

    Report date 2025-10-28 · 0000872589-25-000026 · Items 2.02,9.01

  24. 8-K · Current report

    Report date 2025-10-06 · 0001104659-25-096921 · Items 2.02

  25. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000872589-25-000019

  26. 8-K · Current report

    Report date 2025-08-01 · 0000872589-25-000017 · Items 2.02,9.01

  27. 8-K · Current report

    Report date 2025-06-13 · 0001104659-25-060637 · Items 5.07

  28. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001804220-25-000022

  29. 8-K · Current report

    Report date 2025-04-29 · 0001804220-25-000020 · Items 2.02,9.01

  30. DEF 14A · Proxy statement

    Report date 2025-06-13 · 0001308179-25-000518

  31. 10-K · Annual report

    Report date 2024-12-31 · 0001804220-25-000011

  32. 8-K · Current report

    Report date 2025-02-04 · 0001804220-25-000007 · Items 2.02,8.01,9.01

  33. 8-K · Current report

    Report date 2025-01-13 · 0001104659-25-002826 · Items 2.02,7.01,9.01

  34. 10-Q · Quarterly report

    Report date 2024-09-30 · 0001804220-24-000040

  35. 8-K · Current report

    Report date 2024-10-31 · 0001804220-24-000038 · Items 2.02,9.01

  36. 8-K · Current report

    Report date 2024-10-07 · 0001104659-24-106432 · Items 2.02

  37. 10-Q · Quarterly report

    Report date 2024-06-30 · 0001804220-24-000028

  38. 8-K · Current report

    Report date 2024-08-01 · 0001804220-24-000026 · Items 2.02,9.01

  39. 8-K · Current report

    Report date 2024-07-08 · 0001104659-24-078172 · Items 2.02

  40. 8-K · Current report

    Report date 2024-06-14 · 0001104659-24-073372 · Items 5.07

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-15 · 2026 Q3: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 0 transaction rows0PSale: 6 transaction rows6SGrant / award: 0 transaction rows0AExercise / conversion: 10 transaction rows10MTax / exercise payment: 2 transaction rows2FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

18 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-03
2026-09-03
McCourt Marion
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock1131.0857.39
2026-09-02
2026-09-03
Guarini Kathryn
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock400.0719.37
2026-09-02
2026-09-03
Guarini Kathryn
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock400.0850.0
2026-09-02
2026-09-03
Guarini Kathryn
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Non-Qualified Stock Option (right to buy)
Derivative security
400.00.0
2026-09-02
2026-09-03
McCourt Marion
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock1215.0850.0
2026-08-19
2026-08-21
LAROSA JOSEPH JF · Tax / exercise payment
Disposed
Common Stock9019.0830.15
2026-08-19
2026-08-21
LAROSA JOSEPH JM · Exercise / conversion
Acquired
Common Stock12282.0381.92
2026-08-19
2026-08-21
LAROSA JOSEPH JM · Exercise / conversion
Disposed
Non-Qualified Stock Option (right to buy)
Derivative security
12282.00.0
2026-08-18
2026-08-20
Fenimore Christopher R.M · Exercise / conversion
Acquired
Common Stock6283.0381.92
2026-08-18
2026-08-20
Fenimore Christopher R.F · Tax / exercise payment
Disposed
Common Stock4599.0813.47
2026-08-18
2026-08-20
Fenimore Christopher R.M · Exercise / conversion
Disposed
Non-Qualified Stock Option (right to buy)
Derivative security
6283.00.0
2026-08-10
2026-08-12
Guarini Kathryn
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock400.0800.0
2026-08-10
2026-08-12
Guarini Kathryn
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock400.0719.37
2026-08-10
2026-08-12
Guarini Kathryn
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Non-Qualified Stock Option (right to buy)
Derivative security
400.00.0
2026-08-10
2026-08-12
Zoghbi Huda Y
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock800.0376.69
2026-08-10
2026-08-12
Zoghbi Huda Y
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock800.0800.0
2026-08-10
2026-08-12
Zoghbi Huda Y
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Non-Qualified Stock Option (right to buy)
Derivative security
800.00.0
2026-07-02
2026-07-07
RYAN ARTHUR F
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock200.0650.15

Identity & relationships

Wikidata structured data · retrieved 2026-10-15 · 1663 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

SEC issuer · 0000872589REGENERON PHARMACEUTICALS, INC.

No parent relationship is available in this import; this is not proof of independence.

Legal Entity Identifier
549300RCBFWIRX3HYQ56
GLEIF legal name
REGENERON PHARMACEUTICALS, INC.
Entity / LEI registration status
ACTIVE / ISSUED
Reference data updated
2025-11-24T14:16:05Z

direct-parent: no parent LEI supplied

ultimate-parent: no parent LEI supplied

GLEIF legal entity reference data · retrieved 2026-10-15 · 1199 checked identities; 0 unavailable records

Search names and former names

View Wikidata identity and references ↗

  • Regeneron Pharmaceuticals · alias · wikidata
  • Regeneron · alias · wikidata
  • REGENERON PHARMACEUTICALS INC · former SEC name · 1995-07-26 to 2019-06-19
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Revenue in constant purchasing power

USD revenue expressed in 2026-09 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

Year endedReported USD revenueCPI-adjusted USD revenue
2024-12-31$14.20B$15.25B
2023-12-31$13.12B$14.50B
2022-12-31$12.17B$14.01B
2021-12-31$16.07B$19.98B
2020-12-31$8.50B$11.06B
2019-12-31$6.56B$8.64B
2018-12-31$5.15B$6.90B
2017-12-31$5.87B$8.07B

Bureau of Labor Statistics · retrieved 2026-10-22 · 9 selected series; gaps remain missing

Explore the CPI history ↗